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While the first thing that comes to mind for me is Discovery, this genuinely applies to all Trek.

People who love TOS vs people who think it's camp garbage. People who loved TNG vs those who thought it was a detraction from TOS and worse. People who love DS9 and those who thought it was antithetical to everything Star Trek stood for. People who loved Voyager vs people who thought it was a nonsensical story with a dumb captain. People who loved Enterprise and those who thought it was an offensive slap in the face by Berman. People who loved the Kelvin movies vs those who wanted "real Trek". People who loved Discovery vs those who thought it was emotional and too action based. People who loved Prodigy vs those hated it following kids who weren't in Starfleet. People who loved Picard vs those who thought it undid what came before. People who loved Lower Decks vs the people who thought it was mocking Star Trek. People who love Strange New Worlds vs people who hate yet another prequel treading ground we know.

I'd say people who loved Section 31 vs anyone else but I've literally never met someone who has loved Section 31. Fuck sakes, not even I could finish watching it.

Point being that Trek fans have been bitching at one another since its inception. Discovery didn't break ground there. If anything it just re-tread the same ground that both TNG and the Kelvin movies did. Both were released and hated upon release by "real Trekkies". Overtime both ended up getting a place of love. Honestly, Enterprise is also getting the same treatment. When all those shows were first released, if you looked at the general community you'd think that the shows were completely hated. Things change. I think Section 31 might be the exception to that rule though.